The air conditioning compressor may become noisy or develop a refrigeration leak, requiring replacement.
Average mileage: 97,096 (50,000–145,290)
11 people reported this problem
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Ac compressor makes a clunking noise or a slight knocking noise
A/C Compressor Bearing noise on pulley and leaks out the refrigerant; not cooling at all, but you will hear it kick in and only blow hot air.
Persistant coolant leak. Cadillac dealership unable to correct. Had in shop 3 times. Still not fixed.